Talk:Sans Pareil
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I would suggest that the high fuel consumption was largely due to the cracked cylinder leaking steam, obliging the driver to open the regulator more to get minimum power. I don't agree either that Hackworth's design was " antiquated", the return tube boiler by the standards of the day was pretty efficient. Stephensons were pretty worried by the competition from this locomotive built on a shoestring at Hackworth's personal expense. Stephensons cast the cylinders and did a pretty crap job by all accounts. --John of Paris (talk) 14:35, 12 February 2008 (UTC)